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A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V. If a dielectric material of dielectric constant K = 3 5 is inserted between the plates, the magnitude of the induced charge will be :

1. 1.2 n C
2. 0.3 n C
3. 2.4 n C
4. 0.9 n C Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Capacitance, Formula Based [Class Notes]

Correct answer: 1.2 n C

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